11 climbers appeared to have died on the world's second highest mountain K2.

It was one of the deadliest days in mountaineering history.

Rock falls, avalanches.

Huge pieces of ice.

All are big enough to kill you.

He just flew out into Devoid, and he was gone.

How did it all go so wrong?

And is it really worth risking death to feel alive?

Why would somebody pay to go to a place called the death zone on vacation?

Extreme.

Peak Danger.

With me, Natalia Melman Petrazella.

Listen to the full series now, first on BBC Sounds.

You're listening to a podcast from BBC Radio 4.

This is Ramblings with me, Claire Boulding.

If I was baking a cake of natural beauty, I think into the mixing pot,

I would definitely put running water, spring growth on the trees,

mountains, lambs in the field and blue sky.

And we've got it. And I'm so excited because today we are walking in the black mountains.

On the English side, the Herefordshire side, we've got a cloudy day, very breezy. There could

be showers, but essentially it's starting dry, which is always a bonus.

And we are going to walk up to the top of Black Hill. And Nick, if you don't mind in your best

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